Home / 218,652,762.57-301,744,397.20-130,554,458.79

Finding the Fourth Proportional to 218,652,762.57, 301,744,397.20 and 130,554,458.79

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Solution

The fourth proportional to 218,652,762.57, 301,744,397.20 and 130,554,458.79 is: 180,167,293.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,652,762.57 : 301,744,397.20 = 130,554,458.79 : x
  2. Step 2: Convert to fraction form
    218,652,762.57/301,744,397.20 = 130,554,458.79/x
  3. Step 3: Cross multiply
    218,652,762.57x = 301,744,397.20 × 130,554,458.79
  4. Step 4: Simplify right side
    218,652,762.57x = 39,394,076,467,199,296
  5. Step 5: Solve for x
    x = 39,394,076,467,199,296/218,652,762.57
  6. Step 6: Final answer
    x = 180,167,293.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.